E39 540i heater is stuck at the foot level and blowing "magma" temperature air.

[CleanAzzE30z]

My brother took my 2001 540i to the gym and when coming back this happened: The center console climate control is completely off or un-illuminated and unresponsive, and the heater is blowing at hurricane urgency solely to the footwells with a temperature not dissimilar to "center of the earth scorching" intensity. Even when the car is off, with the key completely out of the ignition, but the battery is connected, it blows (literally and figuratively). I had to stop it by disconnecting the battery. I have heard of this problem in newer cars but dont remember the possible causes. Furthermore, Matt (MR325) is there any way this can be remedied either at this house, or taking it to TNG Specialties anytime soon if it is not an easy fix? Thank you for your input, fellas.

Mariano

[tyleRcoey]

thats a weird one!

[CleanAzzE30z]

Indeed and very frustrating. One of those "I dont know who to be mad at, so Ill unjustifiably and inexplicably be mad at the person driving it even though it clearly wasnt his fault" kind of situations. hahaha.

[cramer]

I haven't heard of it staying on, but it's common in E39s for the blower to have a mind of it's own. When mine went, it just stopped completely.

The fix is easy though, swap out the control unit: http://www.bimmerfest.com/forums/sho...d.php?t=143393

[MikeDE]

I lol'd at the title, and was crying halfway through the thread.

[CleanAzzE30z]

Haha thanks. :) And thanks for the responses, fellas!

[Jean]

It's an E39 thing.

[z31maniac]

As soon as I read "magma" I switched to Dr. Evil.

[Ryan...]

Wow, my 540i once decided to blow steaming hot air out of the panel vents, but it went away by itself after letting it sit a day :|

It's an E39 thing.

+1

[isayyo2]

dibs on m62

[nando]

crazy!

somewhat off topic, but my wife hates my car. Like, really really hates it. But once during this winter we went out to dinner, and we took my car for whatever reason. And being a girl, she's always cold, especially in the winter - she said "you know, one thing about this car, is the heater works right away". haha. :)

[doucy2]

mines on the way out, mind of its own. e39 electronics FTW

[dude8383]

As soon as I read "magma" I switched to Dr. Evil.

http://www.killerclips.com/clip.php?id=79&qid=756

LOL

[Kershaw]

crazy!

somewhat off topic, but my wife hates my car. Like, really really hates it. But once during this winter we went out to dinner, and we took my car for whatever reason. And being that she is a fucking hot ass girl that is also really fucking fit, she's always cold, especially in the winter - she said "you know, one thing about this car, is the heater works right away". haha. :)

fixed.

relay issue is my guess. one of the unloader relays.

[CleanAzzE30z]

As soon as I read "magma" I switched to Dr. Evil.

That was the point haha! ;-)

Wow, my 540i once decided to blow steaming hot air out of the panel vents, but it went away by itself after letting it sit a day :|

Ill try that. I havent turned the car on since then.

dibs on m62

Hey there!

crazy!

somewhat off topic, but my wife hates my car. Like, really really hates it. But once during this winter we went out to dinner, and we took my car for whatever reason. And being a girl, she's always cold, especially in the winter - she said "you know, one thing about this car, is the heater works right away". haha. :)

Brool Cory Sto! jk thats cool, man.

relay issue is my guess. one of the unloader relays.

That was one of my guesses. I shall check on it and report back!